Transaction not yet indexed

1b53d3qEQP2t2DVwt8ueG3StYZ2ESvHr7yG71oFSmfcoK6joyub1Mxa5c3fqCZ1TYxdgFwQBE8msB2KUbUXUoRn

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.